Child safety seat



FIG. 1 is a frontal view of the child safety seat with a head rest in a lowered position;

FIG. 2 is a frontal view of the child safety seat shown in FIG. 1 with the head rest in a raised position;

FIG. 3 is a side view of the child safety seat shown in FIG. 1 with a backrest in an upright position;

FIG. 4 is a side view of the child safety seat shown in FIG. 1 with the back rest in a reclined position;

FIG. 5 is a rear view of the child safety seat shown in FIG. 1;

FIG. 6 is an underneath view of the child safety seat shown in FIG. 1; and,

FIG. 7 is an oblique frontal view of the child safety seat shown in FIG. 1. 

I claim the ornamental design for child safety seat, as shown and described. 